Washing machine



FIG. 1 is a perspective view of a washing machine showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines are shown for purposes of illustrating and disclosing portions of the washing machine that form no part of the claimed design. 

CLAIM The ornamental design for a washing machine, as shown and described. 